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| author | Eric Dumazet <edumazet@google.com> | 2012-12-05 09:18:10 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-12-05 16:01:28 -0500 |
| commit | 0e1efe9d5e10921f1e2152b108e013605fca3c9f (patch) | |
| tree | c254570a9058345ea2eb1f319cc5c88cfe8c65ee /drivers | |
| parent | cc86802805b5d714a5dc80fe4edecaf1368b09ed (diff) | |
| download | linux-3.10-0e1efe9d5e10921f1e2152b108e013605fca3c9f.tar.gz linux-3.10-0e1efe9d5e10921f1e2152b108e013605fca3c9f.tar.bz2 linux-3.10-0e1efe9d5e10921f1e2152b108e013605fca3c9f.zip | |
ipv6: avoid taking locks at socket dismantle
ipv6_sock_mc_close() is called for ipv6 sockets at close time, and most
of them don't use multicast.
Add a test to avoid contention on a shared spinlock.
Same heuristic applies for ipv6_sock_ac_close(), to avoid contention
on a shared rwlock.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
0 files changed, 0 insertions, 0 deletions